An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5910-01-500-8329
NSN 7035-01-435-7962
NSN 6645-00-287-9192
NSN 6320-01-436-9228
NSN 5895-01-437-8871
NSN 6145-01-062-6918
NSN 6650-00-603-3296
NSN 4140-01-649-7116
NSN 5905-00-359-6189
NSN 5895-00-244-2744
NSN 5950-01-372-2030
NSN 5999-01-303-9287